30Pcs M3 Brass Knurled Threaded Insert Nuts For Plastic And Lightweight Metal Projects, Easy Ultrasonic Or Heat Install In Blind Holes, No Counterbore Required, Strong Hold, Smooth Threads, Great Thermal Conductivity, Ready To Embed

Brass Knurled Threaded Inserts for Plastic and Metals
✔️ 30pc M3 brass knurled inserts install by ultrasonic or heat

These knurled threaded insert nuts reinforce threads in plastic and lightweight metal parts. They are designed to be embedded via ultrasonic or heat into blind holes, eliminating the need for counterbores because of their built-in guide.

✅ Material: Brass
✅ Thread size: M3
✅ Suitable for plastic and lightweight metal projects
✅ Install method: ultrasonic or heat in blind holes
✅ No counterbore required due to guide

💡 What is a knurled threaded insert used for in plastic and lightweight metal projects?

They are handy for creating strong, reusable threads in soft materials, and can be embedded by ultrasonic or heat.

- Increases pull-out strength in plastics

- Restores damaged threads in lightweight metal assemblies

- Provides secure, vibration-resistant fastener connections

- Compatible with metric thread sizes like M3

✝️